Bose MR-J2S- B instruction manual Resistor unit FR-BR, Power return converter Selection

12. OPTIONS AND AUXILIARY EQUIPMENT

(b) Resistor unit (FR-BR)

		2- D
Control circuit			1 (0.039)
terminals
Main circuit			BA
terminals
EE			EE
(E)	AA	5 (0.197)	(E)

C 5 (0.197)

A5 (0.197)

		[Unit : mm(in)]
K	(F)
(Note)	3 (0.118)	5 (0.197)
	BB B
		FR-BR-55K
		Two eye bolts are provided

	(F)	(as shown below).
		(1.575)
Eye bolt	204
	(8.031)	40
33 (1.299)

Note: Ventilation ports are provided in both side faces and top face. The bottom face is open.

Resistor												Approx.
Unit	A	AA	B	BA	BB	C	D	E	EE	K	F	Weight
Model												[kg(Ib)]
FR-BR-	170	100	450	432	410	220	6	35	6	1.6	20	15
15K	(6.693)	(3.937)	(17.717)	(17.008)	(16.142)	(8.661)	(0.236)	(1.378)	(0.236)	(0.063)	(0.787)	(66.139)
FR-BR-	340	270	600	582	560	220	10	35	10	2	20	30
30K	(11.389)	(10.63)	(23.622)	(22.913)	(22.047)	(8.661)	(0.394)	(1.378)	(0.394)	(0.079)	(0.787)	(33.069)

12.1.3 Power return converter

(1)Selection

The converters can continuously return 75% of the nominal regenerative power. They are applied to the servo amplifiers of the MR-J2S-500B and MR-J2S-700B.

Power return	Nominal		[sec]
	Regenerative	Servo Amplifier
converter			time
	Power (kW)
			energizationContinuous
FR-RC15	15	MR-J2S-500B
FR-RC30	30	MR-J2S-700B

500

300

200

100

50

30

20

0	50	75	100	150
	Nominal regenerative power (%)

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